package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.User;
import com.itheima.reggie.service.UserService;
import com.itheima.reggie.utils.ValidateCodeUtils;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpSession;
import java.util.Map;
import java.util.concurrent.TimeUnit;

@RestController
@RequestMapping("/user")
@Slf4j
public class UserController {

    @Autowired
    private UserService userService;

    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 发送验证码
     * @param user
     * @param session
     * @return
     * @throws Exception
     */
    @PostMapping("/sendMsg")
    public R<String> sendMsg(@RequestBody User user, HttpSession session) throws Exception {
        String phone = user.getPhone();
        if (StringUtils.isNotEmpty(phone)){
            String code = ValidateCodeUtils.generateValidateCode(4).toString();
            log.info("code =====" + code);
            //SMSTestUtil.sendSms(phone,code);//调用阿里云发送短信
            //session.setAttribute(phone,code);//将验证码存到session中
            redisTemplate.opsForValue().set(phone,code,5, TimeUnit.MINUTES);
            return R.success("手机验证码发送成功");
        }
        return R.error("短信发送失败");
    }

    /**
     * 登录操作
     * @param map
     * @param session
     * @return
     */
    @PostMapping("/login")
    public R<User> login(@RequestBody Map map, HttpSession session){
        String phone = map.get("phone").toString();
        String code = map.get("code").toString();
        //Object codeFromSystem = session.getAttribute(phone);
        Object codeFromSystem = redisTemplate.opsForValue().get(phone);
        if (codeFromSystem.equals(code)){
            LambdaQueryWrapper<User> wrapper = new LambdaQueryWrapper<>();
            wrapper.eq(User::getPhone,phone);
            User one = userService.getOne(wrapper);
            if (one == null){
                User user = new User();
                user.setPhone(phone);
                user.setStatus(1);
                userService.save(user);
            }
            session.setAttribute("user",one.getId());
            redisTemplate.delete(phone);
            return R.success(one);
        }
        return R.error("登陆失败");
    }

    /**
     * 用户退出
     * @param session
     * @return
     */
    @PostMapping("/loginout")
    public R<String> loginout(HttpSession session){
        session.removeAttribute("user");
        return R.success("退出成功");
    }
}
